String_in_java_1

import static java.lang.Integer.max;
import java.util.ArrayList;
import java.util.Scanner;


public class NewClass1 {

    public static void main(String[] args){

        //String Declaration :
        String s1 = "Imran Mohammed";
        String s2 = new String("imran mohammed");

        System.out.println(s1);
        System.out.println(s2);


        //Finding Length :
        int len = s1.length();
        System.out.println(len);//14


        //Check Equality (Object)
        if(s1 == s2){
            System.out.println("String are equal");
        }
        else{
            System.out.println("String are not equal");
        }

        //Check Equality With case
        if(s1.equals(s2) ){
            System.out.println("String are equal");
        }
        if(s1.contains(s2)){
            System.out.println("String are equal");
        }

        //Check Equality Ignoring case :
        if(s1.equalsIgnoreCase(s2)){
            System.out.println("String are equal");
        }


        //Check String Contain or not :
        boolean con = s1.contains("Mohammed");
        System.out.println(con);


        //Check empty or not :
        boolean b = s1.isEmpty();
        System.out.println(b);



    //String Declaration :
        String s1 = "Imran Mohammed ";
        String s2 = new String("Sanvi");


        //String Concatation :
        String s3 = s1.concat(s2);
        System.out.println(s3);


        //Convert Uppercase :
        String uppername = s3.toUpperCase();
        System.out.println(uppername);


        //Convert Lowerrcase :
        String lowername = s3.toLowerCase();
        System.out.println(lowername);


        //Check Start with Something :
        boolean b = s1.startsWith("I");
        System.out.println(b);

        //Check end with Something :
        boolean l = s1.endsWith("d");
        System.out.println(l);


    }
}